quote:Andrew Bynum said on Friday that he's experienced a setback in his rehab, and now has bone bruises in both his left and right knees.Bynum's right knee has been the one giving him so much trouble, but it sounds like he overcompensated recently and wound up damaging his left knee. He also said he has "weakened cartilage" in both knees, and confirmed that there is still no timetable for his return. Kwame Brown, Spencer Hawes and Lavoy Allen will continue to share minutes at center in his absence.